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谁批准碳酸钠滴注的?。Who approved a sodium bicarb infusion?

以碳酸钠微粒，是从纯碱纸浆厂的黑色液体中回收的。Sodium carbonate for example, is recovered from black liquor in soda pulp mills.

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方法采用液相法合成过碳酸钠，测定其活性氧含量并考察合成条件。Methods The target compound was synthesized and the content of oxygen was determined.

你也可以用过碳酸钠，但我宁愿用晾衣绳使它们自然亮白。You can use Oxyclean on them, too, but I prefer the clothesline to whiten them naturally.

实验结果表明，碳酸钠对铝合金具有较好的缓蚀作用，在一定程度上抑制了铝合金的点蚀。It was shown that Na2CO3 inhibited the pitting corrosion of aluminum alloy to some extent.

经过加入碳酸钠能被软化的硬水，称为永硬水。Hard water which can be softened by adding sodium carbonate is called permanent hard water.

再生温度高有利于碳酸氢钠转变为碳酸钠。High regenerative temperature is helpful for sodium bicarbonatechange into sodium carbonate.

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磨矿过程中添加碳酸钠，可实现矿泥的选择性脱除。The addition of sodium carbonate into the grinding process can realize the selective desliming.

显影结束后，把不锈钢板上残留的碳酸钠冲洗干净，用吹风机吹干。After imaging, the stainless steel plate residual sodium carbonate rinse, dry with a hair dryer.

以碳酸钠溶液脱除了丝素外表可引起炎症反应的丝胶成分。The silk fibroin was deglued to remove the outside glue-like components in sodium carbonate solution.

以赤泥和粉煤灰为原料，无水碳酸钠为造孔剂，制备了用于生物质裂解的催化剂载体。The catalyst carrier for biomass pyrolysis was prepared by red mud, fly ash and anhydrous sodium carbonate.

采用氢氟酸和碳酸钠作为沉淀剂，对湿法磷酸进行了脱除金属杂质的试验研究。Using hydrofluoric acid and sodium carbonate as sediments, removal of metal impurities from WPA was studied.

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初步研究了碳酸钠作为活化剂时煤矸石中硅铝的溶出特性。In this article, the ion dissolution properties from coal gangue had been studied when Na_2CO_3 as activator.

政府还垄断了啤酒、盐和泡碱用于保存木乃伊的碳酸钠的生产和销售。The government kept monopoly control of beer salt and natron sodium carbonate used in the preservation of mummies.

采用碳酸钠-氧化镁半熔融-氯化钡滴定法测定高岭土中的硫含量。A method for the determination of total sulphur content in kaolin samples by titrimetry was reported in this paper.

法国科学院想要推进从便宜的食盐中制造大量需要的碳酸钠的生产。The French Academy wanted to promote the production of much-needed sodium carbonate from inexpensive sodium chloride.

产氧袋由聚氯乙烯薄膜制成，产氧剂为过碳酸钠。The oxygen-generating bag is made of PVC plastic film, and the oxygen-generating powder is sodium carbonate peroxide.

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扼要介绍过碳酸钠的主要用途、生产方法和开发前景。This article deals briefly with the main uses, the methods of production and the good prospects of per-sodium carbonate.

包覆的过碳酸钠颗粒，其制备方法和用途，及含该颗粒的洗涤剂组合物。Coated sodium percarbonate particles, process for their preparation, their use and detergent compositions containing them.

水解时用碳酸钠溶液代替氢氧化钠甲醇溶液，提高反应的选择性。The sodium carbonate solution was used instead of sodium hydroxides methanol solution in the step of selective hydrolysis.